About the Break-Even Attendance Calculator
Attendees needed to cover your costs, and the margin of safety above that.
Also known as: break even tickets, minimum attendance calculator, how many tickets to break even, event break even.
How to use this calculator
- Enter fixed costs, ticket price, variable cost per attendee, sponsorship secured and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
break-even = (fixed costs − sponsorship) ÷ (price − variable cost)
Worked example
Using the values pre-filled in the calculator above:
- Fixed costs = 5,000
- Ticket price = 35
- Variable cost per attendee = 12
- Sponsorship secured = 2,000
- Venue capacity = 200
the calculator returns:
- Break-even attendance: 131
- Contribution per ticket: 23
- Capacity needed: 65.5%
- Margin of safety: 69 attendees